body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: #f8fafc;
  color: #334155;
  margin: 0;
  padding: 0;
  line-height: 1.7;
}

/* Navigace */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 59, 102, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none !important;
  color: #ffffff !important;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 18px;
}

.brand-logo strong {
  font-weight: 800;
  color: #facc15 !important;
}

.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

/* Menu s odkazy */
.nav-menu ul {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: rgba(255, 255, 255, 0.8) !important;
  text-decoration: none !important;
  font-weight: 600;
  font-size: 14px;
  transition: color 0.2s;
  padding-bottom: 4px;
}

.nav-menu a:hover, 
.nav-menu a.active {
  color: #facc15 !important;
  border-bottom: 2px solid #facc15;
}

/* Obsah článku */
.article-container {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  color: #64748b;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.back-btn:hover {
  color: #0f172a;
}

.article-card {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid #e2e8f0;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.badge-komentar {
  background: #fee2e2;
  color: #991b1b;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 16px;
}

.article-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.25;
  margin-top: 0;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.article-image {
  width: 100%;
  border-radius: 14px;
  margin-bottom: 32px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  display: block;
}

.article-card p {
  margin-bottom: 1.2em;
  font-size: 1.05rem;
}

.highlight-box {
  background: #eff6ff;
  border-left: 4px solid #0d3b66;
  padding: 24px;
  border-radius: 0 12px 12px 0;
  font-weight: 600;
  color: #1e40af;
  margin: 32px 0 16px 0;
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Patička */
.main-footer {
  background-color: #0d3b66;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 24px 20px;
  font-size: 14px;
  margin-top: 60px;
  width: 100%;
  box-sizing: border-box;
}

.main-footer p {
  margin: 4px 0;
}

.main-footer span {
  color: #60a5fa; 
  font-weight: 600;
}

.footer-subtext {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* Mobilní verze */
@media (max-width: 900px) {
  .nav-container {
    height: auto;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .nav-menu ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 16px;
  }
}

@media (max-width: 640px) {
  .article-card {
    padding: 24px 20px;
  }

  .article-title {
    font-size: 1.6rem;
  }
}